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European Commission OKs Reblozyl for treatment of certain anemia in adult patients

Reblozyl regulates late-stage red blood cell (RBC) maturation to potentially reduce or eliminate the need for regular RBC transfusions

Reblozyl is the first and only erythroid maturation agent to be approved in the European Union, representing a new class of therapy

PRINCETON, N.J. & CAMBRIDGE, Mass.–(BUSINESS WIRE)–$BMY #BELIEVEBristol Myers Squibb (NYSE: BMY) and Acceleron Pharma Inc. (NASDAQ: XLRN) today announced that the European Commission (EC) has approved Reblozyl (luspatercept) for the treatment of:

  • Adult patients with transfusion-dependent anemia due to very low-, low- and intermediate-risk myelodysplastic syndromes (MDS) with ring sideroblasts, who had an unsatisfactory response or are ineligible for erythropoietin-based therapy.
  • Adult patients with transfusion-dependent anemia associated with beta thalassemia.

“Dependence on blood transfusions caused by anemia in hematologic malignancies like MDS can often mean frequent and lengthy hospital visits, which can pose additional health risks and affect patients’ quality of life,” said Uwe Platzbecker, M.D., lead investigator of the MEDALIST study, Head of Clinic and Policlinic for Hematology and Cell Therapy, Leipzig University Hospital. “Today’s approval of Reblozyl provides healthcare professionals with a new therapy that has been shown to significantly reduce the number of red blood cell transfusions needed by MDS patients and, in some cases, helped them to achieve transfusion independence.”

“While beta thalassemia remains an orphan disease, the lifelong blood transfusions often needed by patients can have a significant impact on the limited blood supply in their communities, and there are few treatment alternatives,” said Maria Domenica Cappellini, M.D., lead investigator of the BELIEVE study, Professor of Medicine, University of Milan, Fondazione IRCCS Ca Granda. “The European Commission’s approval of Reblozyl provides eligible adult patients with beta thalassemia a new, much needed treatment option for their anemia, and with it, the possibility of becoming less dependent on red blood cell transfusions. (Read more…)

Reblozyl is the first and only erythroid maturation agent approved in the European Union, representing a new class of therapy for eligible patients. This approval is based on data from the pivotal Phase 3 MEDALIST and BELIEVE studies, evaluating the ability of Reblozyl to effectively address anemia associated with MDS and beta thalassemia, respectively.

“Across the EU, 25 million blood transfusions occur every year, some of which are needed by patients with anemia due to hematologic diseases like MDS and beta thalassemia,” said Diane McDowell, M.D., vice president, Hematology Global Medical Affairs, Bristol Myers Squibb. “Reblozyl has the potential to address the ineffective erythropoiesis associated with MDS and beta thalassemia, decrease patients’ dependence on red blood cell transfusions and impact the underlying consequences of the high burden of anemia for these patients. Alongside our partners at Acceleron, we recognize the continuing need in disease-related anemias and are committed to working collaboratively with European health authorities to make Reblozyl available to these patients as quickly as possible.”

About MEDALIST

MEDALIST is a Phase 3, randomized, double-blind, placebo-controlled, multi-center study evaluating the safety and efficacy of Reblozyl plus best supportive care (BSC) versus placebo plus BSC in adults with IPSS-R-defined very low-, low- or intermediate-risk non-del(5q) MDS. All patients were RBC transfusion-dependent and were either refractory or intolerant to prior erythropoiesis stimulating agent (ESA) therapy, or were ESA naïve and unlikely to respond due to endogenous serum erythropoietin levels of ≥ 200 U/L, and had no prior treatment with disease modifying agents.

The trial showed a statistically significant improvement in RBC transfusion burden with Reblozyl, the study’s primary endpoint, with 37.9% of patients treated with Reblozyl achieving independence from RBC transfusions for at least eight weeks during the first 24 weeks of the trial compared to 13.2% of patients on placebo. The trial also met the secondary endpoint of transfusion independence for at least 12 weeks within the first 24 and 48 weeks of the study, which was achieved in a significantly greater proportion of patients receiving Reblozyl versus placebo.

The majority of treatment-emergent adverse events (TEAEs) were Grade 1-2. Grade 3 or 4 TEAEs were reported in 42.5% of patients who received Reblozyl and 44.7% of patients who received placebo. Discontinuation due to an adverse reaction (Grades 1-4) occurred in 4.5% of patients who received Reblozyl. The most common (>10%) all-grade adverse reactions included fatigue, musculoskeletal pain, dizziness, diarrhea, nausea, hypersensitivity reactions, hypertension, headache, upper respiratory tract infection, bronchitis and urinary tract infection.

Results of the MEDALIST trial were first presented during the Plenary Session of the American Society of Hematology (ASH) Annual Meeting in December 2018 (ASH Abstract #001) and were selected for the Best of ASH. The New England Journal of Medicine published the MEDALIST trial results in January 2020.

About MDS

MDS are a group of hematologic malignancies characterized by ineffective production of healthy red blood cells, white blood cells and platelets, which can lead to anemia and frequent or severe infections, and can progress to Acute Myeloid Leukemia (AML). People with MDS who develop anemia often require regular blood transfusions to increase the number of healthy red blood cells in circulation. Frequent transfusions are associated with an increased risk of transfusion reactions, infections and iron overload. There are approximately 50,000 patients with MDS in the EU5 countries (France, Germany, Italy, Spain and the United Kingdom).

About BELIEVE

BELIEVE is a Phase 3, randomized, double-blind, placebo-controlled multi-center study comparing Reblozyl plus BSC versus placebo plus BSC in adults who require regular RBC transfusions (6-20 RBC units per 24 weeks with no transfusion-free period greater than 35 days during that period) due to beta thalassemia.

The trial showed a statistically significant improvement in RBC transfusion burden during weeks 13 to 24 compared to the baseline 12-week interval prior to randomization (21.4% Reblozyl versus 4.5% placebo), meeting the study’s primary endpoint. The trial also met the secondary endpoint of transfusion burden reduction of at least 33% (with a reduction of at least two units) during weeks 37 to 48, which was achieved in a significantly greater proportion of patients receiving Reblozyl versus placebo. The trial also met an exploratory endpoint, with 70.5% of patients treated with Reblozyl achieving at least a 33% reduction in RBC transfusion burden of at least two units for any 12 consecutive weeks compared to the 12-week interval prior to treatment, compared to 29.5% of patients on placebo.

The majority of TEAEs were Grade 1-2. Discontinuation due to an adverse reaction (Grades 1-4) occurred in 5.4% of patients who received Reblozyl. The most common adverse reactions (>10%) were headache, bone pain, arthralgia, fatigue, cough, abdominal pain, diarrhea and dizziness.

Results of the BELIEVE trial were first presented at the ASH Annual Meeting in December 2018 and selected for the Best of ASH. The New England Journal of Medicine published the BELIEVE trial results in March 2020.

About Beta Thalassemia

Beta thalassemia is an inherited blood disorder caused by a genetic defect in hemoglobin. The disease is associated with ineffective erythropoiesis, which results in the production of fewer and less healthy RBCs, often leading to severe anemia—a condition that can be debilitating and can lead to other complications for patients—as well as other serious health issues. Treatment options for anemia associated with beta thalassemia are limited, consisting mainly of frequent RBC transfusions that have the potential to contribute to iron overload, which can cause serious complications such as organ damage. Across the United States, Germany, France, Italy, Spain and the United Kingdom, there are approximately 17,000 patients with beta thalassemia.

About Reblozyl®

Reblozyl (luspatercept-aamt), a first-in-class erythroid maturation agent, promotes late-stage red blood cell maturation in animal models. Bristol Myers Squibb and Acceleron are jointly developing Reblozyl as part of a global collaboration. Reblozyl is currently approved in the U.S. for the treatment of:

  • anemia in adult patients with beta thalassemia who require regular red blood cell transfusions, and
  • anemia failing an erythropoiesis stimulating agent and requiring 2 or more red blood cell units over 8 weeks in adult patients with very low- to intermediate-risk myelodysplastic syndromes with ring sideroblasts (MDS-RS) or with myelodysplastic/myeloproliferative neoplasm with ring sideroblasts and thrombocytosis (MDS/MPN-RS-T).

Reblozyl is not indicated for use as a substitute for red blood cell transfusions in patients who require immediate correction of anemia.

U.S. Important Safety Information

WARNINGS AND PRECAUTIONS

Thrombosis/Thromboembolism

In adult patients with beta thalassemia, thromboembolic events (TEE) were reported in 8/223 (3.6%) REBLOZYL-treated patients. TEEs included deep vein thrombosis, pulmonary embolus, portal vein thrombosis, and ischemic stroke. Patients with known risk factors for thromboembolism (splenectomy or concomitant use of hormone replacement therapy) may be at further increased risk of thromboembolic conditions. Consider thromboprophylaxis in patients at increased risk of TEE. Monitor patients for signs and symptoms of thromboembolic events and institute treatment promptly.

Hypertension

Hypertension was reported in 10.7% (61/571) of REBLOZYL-treated patients. Across clinical studies, the incidence of Grade 3 to 4 hypertension ranged from 1.8% to 8.6%. In patients with beta thalassemia with normal baseline blood pressure, 13 (6.2%) patients developed systolic blood pressure (SBP) ≥130 mm Hg and 33 (16.6%) patients developed diastolic blood pressure (DBP) ≥80 mm Hg. In adult patients with MDS with normal baseline blood pressure, 26 (29.9%) patients developed SBP ≥130 mm Hg and 23 (16.4%) patients developed DBP ≥80 mm Hg. Monitor blood pressure prior to each administration. Manage new or exacerbations of preexisting hypertension using anti-hypertensive agents.

Embryo-Fetal Toxicity

REBLOZYL may cause fetal harm when administered to a pregnant woman. REBLOZYL caused increased post-implantation loss, decreased litter size, and an increased incidence of skeletal variations in pregnant rat and rabbit studies. Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during treatment and for at least 3 months after the final dose.

ADVERSE REACTIONS

Beta Thalassemia

  • Serious adverse reactions occurred in 3.6% of patients on REBLOZYL. Serious adverse reactions occurring in 1% of patients included cerebrovascular accident and deep vein thrombosis. A fatal adverse reaction occurred in 1 patient treated with REBLOZYL who died due to an unconfirmed case of acute myeloid leukemia (AML)
  • Most common adverse reactions (at least 10% for REBLOZYL and 1% more than placebo) were headache (26% vs 24%), bone pain (20% vs 8%), arthralgia (19% vs 12%), fatigue (14% vs 13%), cough (14% vs 11%), abdominal pain (14% vs 12%), diarrhea (12% vs 10%) and dizziness (11% vs 5%)

Myelodysplastic Syndromes

  • Grade >3 (≥2%) adverse reactions included fatigue, hypertension, syncope and musculoskeletal pain. A fatal adverse reaction occurred in 5 (2.1%) patients
  • The most common (≥10%) adverse reactions included fatigue, musculoskeletal pain, dizziness, diarrhea, nausea, hypersensitivity reactions, hypertension, headache, upper respiratory tract infection, bronchitis, and urinary tract infection

LACTATION

It is not known whether REBLOZYL is excreted into human milk or absorbed systemically after ingestion by a nursing infant. REBLOZYL was detected in milk of lactating rats. When a drug is present in animal milk, it is likely that the drug will be present in human milk. Because many drugs are excreted in human milk, and because of the unknown effects of REBLOZYL in infants, a decision should be made whether to discontinue nursing or to discontinue treatment. Because of the potential for serious adverse reactions in the breastfed child, breastfeeding is not recommended during treatment and for 3 months after the last dose.

Please see full Prescribing Information and Summary of Product Characteristics for REBLOZYL

Bristol Myers Squibb: Advancing Cancer Research

At Bristol Myers Squibb, patients are at the center of everything we do. The goal of our cancer research is to increase patients’ quality of life, long-term survival and make cure a possibility. We harness our deep scientific experience, cutting-edge technologies and discovery platforms to discover, develop and deliver novel treatments for patients.

Building upon our transformative work and legacy in hematology and Immuno-Oncology that has changed survival expectations for many cancers, our researchers are advancing a deep and diverse pipeline across multiple modalities. In the field of immune cell therapy, this includes registrational chimeric antigen receptor (CAR) T-cell agents for numerous diseases, and a growing early-stage pipeline that expands cell and gene therapy targets, and technologies. We are developing cancer treatments directed at key biological pathways using our protein homeostasis platform, a research capability that has been the basis of our approved therapies for multiple myeloma and several promising compounds in early to mid-stage development. Our scientists are targeting different immune system pathways to address interactions between tumors, the microenvironment and the immune system to further expand upon the progress we have made and help more patients respond to treatment. Combining these approaches is key to delivering potential new options for the treatment of cancer and addressing the growing issue of resistance to immunotherapy. We source innovation internally, and in collaboration with academia, government, advocacy groups and biotechnology companies, to help make the promise of transformational medicines a reality for patients.

About Bristol Myers Squibb

Bristol Myers Squibb is a global biopharmaceutical company whose mission is to discover, develop and deliver innovative medicines that help patients prevail over serious diseases. For more information about Bristol Myers Squibb, visit us at BMS.com or follow us on LinkedIn, Twitter, YouTube, Facebook and Instagram.

Celgene and Juno Therapeutics are wholly owned subsidiaries of Bristol-Myers Squibb Company. In certain countries outside the U.S., due to local laws, Celgene and Juno Therapeutics are referred to as, Celgene, a Bristol Myers Squibb company and Juno Therapeutics, a Bristol Myers Squibb company.

About Acceleron

Acceleron is a biopharmaceutical company dedicated to the discovery, development, and commercialization of therapeutics to treat serious and rare diseases. Acceleron’s leadership in the understanding of TGF-beta superfamily biology and protein engineering generates innovative compounds that engage the body’s ability to regulate cellular growth and repair.

Acceleron focuses its commercialization, research, and development efforts in hematologic and pulmonary diseases. In hematology, Acceleron and its global collaboration partner, Bristol Myers Squibb, are co-promoting REBLOZYL® (luspatercept-aamt), the first and only approved erythroid maturation agent, in the United States for the treatment of anemia in certain blood disorders. The Companies are also developing luspatercept for the treatment of chronic anemia in patient populations of MDS, beta-thalassemia, and myelofibrosis. In pulmonary, Acceleron is developing sotatercept for the treatment of pulmonary arterial hypertension, having recently reported positive topline results of the Phase 2 PULSAR trial.

For more information, please visit www.acceleronpharma.com. Follow Acceleron on Social Media: @AcceleronPharma and LinkedIn.

Bristol Myers Squibb Cautionary Statement Regarding Forward-Looking Statements

This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 regarding, among other things, the research, development and commercialization of pharmaceutical products. All statements that are not statements of historical facts are, or may be deemed to be, forward-looking statements. Such forward-looking statements are based on historical performance and current expectations and projections about our future financial results, goals, plans and objectives and involve inherent risks, assumptions and uncertainties, including internal or external factors that could delay, divert or change any of them in the next several years, that are difficult to predict, may be beyond our control and could cause our future financial results, goals, plans and objectives to differ materially from those expressed in, or implied by, the statements. These risks, assumptions, uncertainties and other factors include, among others, that the outcome of pricing and reimbursement negotiations in individual countries in Europe may delay or limit the commercial potential of Reblozyl for the indications described in this release, and whether such product candidate for such additional indications described in this release will be commercially successful. No forward-looking statement can be guaranteed. Forward-looking statements in this press release should be evaluated together with the many risks and uncertainties that affect Bristol Myers Squibb’s business and market, particularly those identified in the cautionary statement and risk factors discussion in Bristol Myers Squibb’s Annual Report on Form 10-K for the year ended December 31, 2019, as updated by our subsequent Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other filings with the Securities and Exchange Commission. The forward-looking statements included in this document are made only as of the date of this document and except as otherwise required by applicable law, Bristol Myers Squibb undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events, changed circumstances or otherwise.

Acceleron Cautionary Statement Regarding Forward-Looking Statements

This press release contains forward-looking statements about Acceleron’s strategy, future plans and prospects, including statements regarding the development and commercialization of Acceleron’s compounds, the timeline for clinical development and regulatory approval of Acceleron’s compounds, the expected timing for reporting of data from ongoing clinical trials, and the potential of Reblozyl® (luspatercept-aamt) as a therapeutic drug. The words “anticipate,” “believe,” “could,” “estimate,” “expect,” “goal,” “intend,” “may,” “plan,” “potential,” “project,” “should,” “target,” “will,” “would,” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words.

Actual results could differ materially from those included in the forward-looking statements due to various factors, risks and uncertainties, including, but not limited to, that the results of any clinical trials may not be predictive of the results or success of other clinical trials, that regulatory approval of Acceleron’s compounds in one indication or country may not be predictive of approval in another indication or country, that the development of Acceleron’s compounds will take longer and/or cost more than planned, that Acceleron or its collaboration partner, Bristol-Myers Squibb Company will be unable to successfully complete the clinical development of Acceleron’s compounds, that Acceleron or Bristol Myers Squibb may be delayed in initiating, enrolling or completing any clinical trials, and that Acceleron’s compounds will not receive regulatory approval or become commercially successful products. These and other risks and uncertainties are identified under the heading “Risk Factors” included in Acceleron’s most recent Annual Report on Form 10-K, Quarterly Report on Form 10-Q, and other filings that Acceleron has made and may make with the SEC in the future.

The forward-looking statements contained in this press release are based on management’s current views, plans, estimates, assumptions, and projections with respect to future events, and Acceleron does not undertake and specifically disclaims any obligation to update any forward-looking statements.

Contacts

Bristol Myers Squibb

Media Inquiries:
[email protected]
609-252-3345

Rose Weldon

[email protected]

Investors:
Tim Power

609-252-7509

[email protected]

Nina Goworek

908-673-9711

[email protected]

Acceleron Pharma Inc.

Investors:
Jamie Bernard, IRC, 617-649-9650

Associate Director, Investor Relations

Media:
Matt Fearer, (617) 301-9557

Director, Corporate Communication

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